diff --git a/pkg/orchestrator/scanestimationwatcher/watcher.go b/pkg/orchestrator/scanestimationwatcher/watcher.go
index 0bd8865749..5243b9dd6a 100644
--- a/pkg/orchestrator/scanestimationwatcher/watcher.go
+++ b/pkg/orchestrator/scanestimationwatcher/watcher.go
@@ -526,6 +526,18 @@ func updateTotalScanTimeWithParallelScans(scanEstimation *models.ScanEstimation)
 		return fmt.Errorf("empty scan template")
 	}
 
+	if scanEstimation.Summary == nil {
+		return fmt.Errorf("empty summary")
+	}
+
+	if scanEstimation.Summary.JobsCompleted == nil {
+		return fmt.Errorf("jobsCompleted is not set")
+	}
+
+	if *scanEstimation.Summary.JobsCompleted == 0 {
+		return fmt.Errorf("0 completed jobs in summary")
+	}
+
 	maxParallelScanners := utils.ValueOrZero(scanEstimation.ScanTemplate.MaxParallelScanners)
 
 	if maxParallelScanners > 1 {